The cicada under the tree is always called "cicada, cicada". It is already very hot, but it is easy to get angry when it is hot. It must be annoying to hear cicadas keep barking. However, although they don't like it, there is nothing they can do. Because there are too many cicadas, are they beneficial insects or pests? Let's take a look at the specific introduction.

Are cicadas beneficial insects or pests?

Cicada belongs to pests. Although cicadas have a short life span, they are numerous. So is cicada beneficial or harmful? Although cicada is a pest, its body has extremely high medicinal value. It belongs to pests, because cicadas live under the soil in the larval stage and have no predation ability. They can only absorb the nutrition of plant roots to complete their growth and development, while adults will cling to the trunk and suck the juice of trunk and leaves with mouthparts, resulting in poor growth of trees. During the spawning period, they lay eggs on new branches, which will lead to the death of new branches.

Do you know the medicinal value of cicada?

Although cicada is a pest, its body has extremely high medicinal value. It is said that taking medicine to cicada can clear fire and clear heat, and treat wind poison or hot cold caused by wind-cold and wind-heat. Cicada is weak, and it can also be used as medicine if it is often convulsed. Cicada, also known as cicada slough, is a famous Chinese herbal medicine, which has the effects of clearing away heat, relieving cough and resolving phlegm.

What is the life cycle of cicadas?

We all know that cicadas only sing in summer, but after autumn, cicadas are rarely heard. Although the life span of cicadas is short, they are numerous. Many people say that cicadas are dead, but in fact cicadas have their own problems. During the spawning period, they lay eggs on new branches, which will lead to the death of new branches. So what is the life cycle of cicadas? Because there are many kinds of cicadas, the life cycle of cicadas is different, but the life cycle of cicadas in China is mostly about 3-7 years. Whenever summer comes, it is often the time when cicadas sing. So, is cicada a beneficial insect or a pest? Although it can be used as medicine, it is a pest. It belongs to pests, because cicadas live under the soil in the larval stage and have no predation ability. They can only absorb the nutrition of plant roots to complete their growth and development, while adults will cling to the trunk and suck the juice of trunk and leaves with mouthparts, resulting in poor growth of trees.